Light bar



FIG. 1 is a perspective view of a light bar illustrating my new design;

FIG. 2 is another perspective view thereof, but with a movable center section of the light bar shown in an elevated position;

FIG. 3 is a top view of the light bar of FIG. 1 .

FIG. 4 is a front view thereof; the rear view being the same.

FIG. 5 is another front view thereof, but with the movable center section of the light bar shown in the elevated position;

FIG. 6 is a bottom view of the light bar of FIG. 1 ;

FIG. 7 is an enlarged right side view thereof; the left side view being the same; and,

FIG. 8 is another enlarged right side view thereof, but with the movable center section of the light bar shown in the elevated position.

The broken lines illustrate portions of the light bar that form no part of the claimed design. 

CLAIM The ornamental design for a light bar, as shown and described. 